Boots – shoes – and leggings – Boots and shoes – Shoe for cast on foot
Reexamination Certificate
2008-08-15
2010-06-29
Patterson, Marie (Department: 3728)
Boots, shoes, and leggings
Boots and shoes
Shoe for cast on foot
C036S088000, C036S154000
Reexamination Certificate
active
07743532
ABSTRACT:
An orthopedic walking boot promotes rapid healing of diabetic foot ulcerations by lowering the maximum peak pressure imposed upon the foot. The walker has a hard unyielding shell which is designed for walking. The shell closely and rigidly supports a mid-sole in a foot-shaped bed. The mid-sole has a foot-shaped cavity with rounded sides adapted to form resilient support for the heel, arch and sides of a foot in addition to the bottom of a foot. A conformable inner-sole is adapted to fit over the foot-shaped cavity in the mid-sole and be compressed in response to foot pressure between the sides and bottom of the foot and the sides and bottom of the foot-shaped cavity in the mid-sole thereby compensating for small differences between the shape of the foot and the shape of the cavity. Weight applied to the foot is transferred to the walking shell by contact between the sides of the foot, arch, and heel and the arch, heel and sides of the foot-shaped cavity as well as the bottom of the cavity thereby decreasing the peak or maximum unit pressure on the plantar surface of the foot. A breathable bootie which wraps the foot and lower leg in a protective “cocoon” is preferably secured to the upper surface of the insole thereby preventing foreign materials from entering the foot cavity.
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Bledsoe Conformer Diabetic Boot Application Instructions, Rev. H, Apr. 2004.
Pollo, Fabian E., et al., Plantar Pressures in Fiberglass Total Contact Casts vs. a New Diabetic Walking Boot, Foot & Ankle International, Jan. 2003, vol. 24, No. 1, American Orthopaedic Foot & Ankle Society, Inc.
Crenshaw, Stephanie J. et al., The Effect of Ankle Position on Plantar Pressure in a Short Leg Walking Boot, Foot & Ankle International, Feb. 2004, vol. 25, No. 2, American Orthopaedic Foot & Ankle Society, Inc.
Bledsoe Brett O.
Bledsoe Gary R.
Medical Technology, Inc.
Patterson Marie
Walton James E.
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